10的14次方=50的7次方乘k,k是多少?

[匿名]

2017-10-17 10:11 pm

回答 (3)

[匿名]

2017-10-20 10:59 pm

128

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Kill you

2017-10-20 9:31 am

2^7 = 128

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Paul Liao

2017-10-17 10:27 pm

10^14=(50^7) k
(2^14)(5^14)=[(2*5^2)^7]k
k=2^7=128 ....Ans

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